A Recursion Formula and the Initial Term(s) of a Sequence $$\mathrm { a } _ { 1 } = 4 , \mathrm { a } _ { \mathrm { n } + 1 } = - \mathrm { a } _ { \mathrm { n } }$$

question 94

Multiple Choice

A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.
- $$\mathrm { a } _ { 1 } = 4 , \mathrm { a } _ { \mathrm { n } + 1 } = - \mathrm { a } _ { \mathrm { n } }$$

• A) \(- 4,4 , - 4,4 , - 4\)
• B) \(4,0 , - 4 , - 8 , - 12\)
• C) \(4 , - 16,64 , - 256,1024\)
• D) \(4 , - 4,4 , - 4,4\)

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